dbesy1.f
DOUBLE PRECISION FUNCTION DBESY1 (X)
C***BEGIN PROLOGUE DBESY1
C***PURPOSE Compute the Bessel function of the second kind of order
C one.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C10A1
C***TYPE DOUBLE PRECISION (BESY1-S, DBESY1-D)
C***KEYWORDS BESSEL FUNCTION, FNLIB, ORDER ONE, SECOND KIND,
C SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C DBESY1(X) calculates the double precision Bessel function of the
C second kind of order for double precision argument X.
C
C Series for BY1 on the interval 0. to 1.60000E+01
C with weighted error 8.65E-33
C log weighted error 32.06
C significant figures required 32.17
C decimal places required 32.71
C
C***REFERENCES (NONE)
C***ROUTINES CALLED D1MACH, D9B1MP, DBESJ1, DCSEVL, INITDS, XERMSG
C***REVISION HISTORY (YYMMDD)
C 770701 DATE WRITTEN
C 890531 Changed all specific intrinsics to generic. (WRB)
C 890531 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
C***END PROLOGUE DBESY1